Self-correction upon reading a reply to my original post. The white substance in the paragraph below is, of course, ammonium chloride, not ammonium hydroxide....mental typo. Rob >I actually see the gas phase reaction of the two being more likely >than a double spill in the same cabinet. For example, many folks >store their acids and "ammonium hydroxide" (concentrated aqueous >ammonia) bottles in the same cabinet....and wonder why they are >always coated with a white substance (ammonium hydroxide). Bases >should always be stored away from acids, of course. Rob -- ===================================================== Safety Emporium - Lab & Safety Supplies featuring brand names you know and trust. Visit us at http://www.SafetyEmporium.com esales**At_Symbol_Here**safetyemporium.com or toll-free: (866) 326-5412 Fax: (859) 523-0606, 4905 Waynes Blvd, Lexington, KY 40513-1469
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